Goodwill and Intangible Assets - Intangible Assets, Net (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount		$ 110,851
Intangible Assets, Accumulated Amortization	$ 44,210	20,501
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	(101)	(685)
Total Intangibles Assets, Net Carrying Amount	187,571	89,665
Total intangibles assets, gross carrying amount	231,882
Total intangible assets, net carrying amount	187,571	89,665
In-process Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Accumulated Amortization	0
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	0
Indefinite-lived intangible assets	3,900
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	124,636	69,554
Intangible Assets, Accumulated Amortization	17,833	11,315
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	(140)	(719)
Total Intangibles Assets, Net Carrying Amount	$ 106,663	$ 57,520
Customer relationships | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	1 year	5 years
Customer relationships | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	30 years	30 years
Acquired technology
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 70,150	$ 30,870
Intangible Assets, Accumulated Amortization	11,405	6,088
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	33	59
Total Intangibles Assets, Net Carrying Amount	$ 58,778	$ 24,841
Acquired technology | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	3 years	3 years
Acquired technology | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	20 years	20 years
Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 20,559	$ 415
Intangible Assets, Accumulated Amortization	10,605	163
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	(1)	(11)
Total Intangibles Assets, Net Carrying Amount	9,953	$ 241
Useful Life (Years)		2 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	8,558	$ 8,052
Intangible Assets, Accumulated Amortization	3,478	2,551
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	7	(14)
Total Intangibles Assets, Net Carrying Amount	$ 5,087	$ 5,487
Trade names | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	1 year	1 year
Trade names | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	12 years	12 years
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 2,279	$ 1,960
Intangible Assets, Accumulated Amortization	439	384
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	0	0
Total Intangibles Assets, Net Carrying Amount	$ 1,840	$ 1,576
Patents | Minimum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	2 years	2 years
Patents | Maximum
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	20 years	20 years
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross Carrying Amount	$ 1,800
Intangible Assets, Accumulated Amortization	450
Intangible Assets, Foreign Currency Exchange Rate Fluctuations	0
Total Intangibles Assets, Net Carrying Amount	$ 1,350
Useful Life (Years)	3 years